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tert-Butyl (R)-2-hydroxy-4-methylpentanoate

Also known as: Pentanoic acid, 2-hydroxy-4-methyl-, 1,1-dimethylethyl ester, (2R)-, tert-Butyl (2R)-2-hydroxy-4-methylpentanoate, D-Hyicap-OtBu

tert-Butyl (R)-2-hydroxy-4-methylpentanoate (CAS 19892-92-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H20O3 and a molecular weight of 188.26400 g/mol. Key properties include a boiling point of 206ºC at 760 mmHg, a density of 0.963g/cm3 and a flash point of 72.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19892-92-3
Jingsj CID
J-1418924-3
Molecular Formula
C10H20O3
Molecular Weight
188.26400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point206ºC at 760 mmHg
Density0.963g/cm3
Flash Point72.5ºC
Exact Mass188.14100
PSA46.53000
LogP1.73510
Vapor Pressure0.0574mmHg at 25°C
Refractive Index1.44
Storage Conditions2-8°C

Frequently Asked Questions

What is the CAS number of tert-Butyl (R)-2-hydroxy-4-methylpentanoate?

The CAS number of tert-Butyl (R)-2-hydroxy-4-methylpentanoate is 19892-92-3.

What are the molecular formula and molecular weight of tert-Butyl (R)-2-hydroxy-4-methylpentanoate?

tert-Butyl (R)-2-hydroxy-4-methylpentanoate has molecular formula C10H20O3 and molecular weight 188.26400 g/mol.

What are the upstream and downstream products of tert-Butyl (R)-2-hydroxy-4-methylpentanoate?

For tert-Butyl (R)-2-hydroxy-4-methylpentanoate, Upstream Products: D-Leucine; Downstream Products: (R)-2-Hydroxy-4-methylpentanoic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "tert-Butyl (R)-2-hydroxy-4-methylpentanoate (CAS 19892-92-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1418924-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.